| /* |
| * Copyright (c) 2012, 2019, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #ifndef SHARE_JFR_SUPPORT_JFRKLASSEXTENSION_HPP |
| #define SHARE_JFR_SUPPORT_JFRKLASSEXTENSION_HPP |
| |
| #include "jfr/instrumentation/jfrEventClassTransformer.hpp" |
| #include "jfr/support/jfrTraceIdExtension.hpp" |
| |
| #define DEFINE_KLASS_TRACE_ID_OFFSET \ |
| static ByteSize trace_id_offset() { return in_ByteSize(offset_of(InstanceKlass, _trace_id)); } |
| |
| #define KLASS_TRACE_ID_OFFSET InstanceKlass::trace_id_offset() |
| |
| #define JDK_JFR_EVENT_SUBKLASS 16 |
| #define JDK_JFR_EVENT_KLASS 32 |
| #define EVENT_HOST_KLASS 64 |
| #define EVENT_RESERVED 128 |
| #define IS_EVENT_KLASS(ptr) (((ptr)->trace_id() & (JDK_JFR_EVENT_KLASS | JDK_JFR_EVENT_SUBKLASS)) != 0) |
| #define ON_KLASS_CREATION(k, p, t) if (IS_EVENT_KLASS(k)) JfrEventClassTransformer::on_klass_creation(k, p, t) |
| |
| #endif // SHARE_JFR_SUPPORT_JFRKLASSEXTENSION_HPP |
